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My 5 kg indoor cat knocked over my kale plant left on the counter overnight — should I store it differently or train 'leave it' to prevent this?

Cats · Food safety

Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual

Short answer

Yes — train 'leave it' and store kale differently. Here's the blunt truth: kale is safe for your cat in small amounts, but the calcium oxalates matter if your cat has kidney issues. Steamed kale is gentler than raw. Real trick: put kale in a sealed container in the fridge, not on the counter where your cat can bat it over. Teaching 'leave it' takes patience — say the command when your cat approaches, reward when they back off, repeat daily. Small amounts won't hurt, but keep kale out of reach anyway. Call your own vet if your cat vomits or seems off.

Kale — Food safety facts

Safe to share · Cats · full breakdown on the linked food page

Safe in small amounts, steamed is gentler. Contains calcium oxalates — skip if your pet has kidney issues.

Dogs and cats carry the same rating (Safe to share), so the notes below hold for either pet.

Kale is not toxic to cats. The real limit is calories, fat and salt, so treat it as a small extra alongside the normal ration rather than a meal in itself.

There is no poisoning risk here, and the usual problem is simply eating too much at once: a heavy fat or salt load can bring on loose stools or a single vomit. Offer water, keep an eye on the pet for 24 hours, and do not induce vomiting.

Why these cautions matter

Caffeine overstimulates the heart and nervous system, and pets clear it so slowly that tremors and restlessness drag on far longer than they would in a person.

Kale can stay on the rotation, but only as an extra mouthful: keep the rest of the day's food unchanged and watch the litter box and how quickly they finish the next meal.

The full verdict, portion guidance and serving notes are collected on the Kale food facts page.

Open the full food page: Kale food facts →